Building sophisticated educational tools out of cheap parts, Johnny Lee demos his cool Wii Remote hacks, which turn the $40 video game controller into a digital whiteboard, a touchscreen and a head-mounted 3-D viewer.

Researcher Johnny Lee became a YouTube star with his demo of Wii Remote hacks — bending the low-cost game piece to power an interactive whiteboard, a multitouch surface, a head-mounted display ...
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